The Seiko 1N01-0HA0 is a watch model based on the 1N01 movement.
Parts List
| K00AG8JB0C | crystal - crystal (inorganic) |
| K00AG8JB0B | crystal - crystal (inorganic) |
| 6M30D5SNG5 | crown - crown (3h) |
| 6M30D5SNS0 | crown - crown (3h) |
| 0F150BA1S | case back gasket - case back gasket |
| FG96KB | band - band |
| FG98JB | band - band |
| FG97JB | band - band |
| T090BS | others - push pin |
| 1N010HA001C | others - case |
| 0351807 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| 1N010HA002C | others - case |
Caliber 1N01
